MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91
SHA3-384 hash: 5737f22334a46ceddfb099c29c6b85951a5db2fc1af1b012df89f1594139fe99e1873c7b85839313ad85d203ca168f7c
SHA1 hash: 3196a7cf89bf13cabf2dcfb8495674d73c3ad1ff
MD5 hash: 5a9964c917bdceb12686e1072cd7b8bf
humanhash: nebraska-delta-delaware-item
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'098'240 bytes
First seen:2021-06-21 12:55:48 UTC
Last seen:2021-06-21 14:00:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mvzSMPQipP5qf4Ng+mL6Ker8bdJKM60aO7VGddHrJFJI7c+8mETWEHmsM:lipM4NEDeQbdJKMZa6KHrDJIOH
Threatray 5'857 similar samples on MalwareBazaar
TLSH 1A35C0220DCF472DE2754F765BB0BC83C2BAADAA2605E2153DC0319DC6336D9D9EE512
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase_Order.exe
Verdict:
Malicious activity
Analysis date:
2021-06-21 13:04:26 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/8304d764-692f-4b88-b082-3770fcb8c1bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/167284/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.26684.18792.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1993405d-2ff5-4507-940a-4a99ecbe501f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805315
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 437726 Sample: Purchase_Order.exe Startdate: 21/06/2021 Architecture: WINDOWS Score: 100 27 www.mahibhardwaj.com 2->27 29 mahibhardwaj.com 2->29 31 clientconfig.passport.net 2->31 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 9 Purchase_Order.exe 3 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\...\Purchase_Order.exe.log, ASCII 9->25 dropped 57 Writes to foreign memory regions 9->57 59 Injects a PE file into a foreign processes 9->59 16 RegSvcs.exe 9->16         started        33 blesst.tech 50.87.249.240, 49774, 80 UNIFIEDLAYER-AS-1US United States 13->33 35 www.stays.travel 91.195.240.94, 49766, 80 SEDO-ASDE Germany 13->35 37 15 other IPs or domains 13->37 61 System process connects to network (likely due to code injection or exploit) 13->61 19 colorcpl.exe 13->19         started        file6 signatures7 process8 signatures9 39 Modifies the context of a thread in another process (thread injection) 16->39 41 Maps a DLL or memory area into another process 16->41 43 Sample uses process hollowing technique 16->43 45 Queues an APC in another process (thread injection) 16->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
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Status:
Malicious
First seen:
2021-06-21 12:56:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3znjcze6mvhve4ydfqhferer46wbyyta4ekai4whfmbr37spxkiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1265cd7cd52561d0e688f2ea1a8a9c8ed712b4f6fb82e253424f9a6cdad5d995
Formbook
1e93f04eca3d0a963c77eb8cfdc9e833e3f7cda613f0939f7598e11136d31e2c
Formbook
2642fecff2db22c3d6eaa889d838d52fbd765ad4a9a857aacb2e3ad6441f91c9
Formbook
34066150ffa7efa505b8d2246925cd8a32f83b9609438ae76aa27cef7388054d
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
65c6621762bb1bb1589a4a58d4ab2d3fa7c02e581b217b86ed2ff51227d7565b
Formbook
a8e63fd4741e92c3b02d247fc348b1f0d33bb635e00121063f0efc3caafcc088
Formbook
c29beb5ab8085adc0860d6ee276fde428b3b7f220499bfe16aeb87e37a33ad34
Formbook
cd292d4cdb5ff8f2de087a09de2a152722d910f1df7ce7b65e6480be9ae77fdf
Formbook
f5f61469082ef65ba46317d65f68f999d25e102c2b5f44643cb73f3108564ae2
Formbook
+ 5'847 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210621-lkf5jmnfza/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.culturalinterface.net/uqf5/
Unpacked files
SH256 hash:
8041ed1992fcccd1a34aba9c98ad020b562156062c5692cd8fd3dda4d359b119
MD5 hash:
81bb8777b33be5504986dcf8b18a6181
SHA1 hash:
e79808262132f0a739cabd4743de6f2c22cfd923
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d432fd0a-b676-4e8b-8cf0-a1e9a544f31e/
Parent samples :
de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91
f418beabbb3cb228180b1dbfa41904564d8936f77d01f6529c42d64f31b2d490
19502ad02119f2e62cd3a35bfb9ceda6be0e5767a078609631dca9091f9ecde6
2ced4843ae81ab8de3e28e481e4865374b67a9b46d0df2dde3af65b50b857c2a
SH256 hash:
130cebc3c66c019a26c7a7dbefbe2635e0581e9dd42c19db33db87d72c81e2ba
MD5 hash:
41b3cb61199dc8315acfc5488848095b
SHA1 hash:
f1bb929405a2d6d0f99af541284e05ff69ac723c
Link:
https://www.unpac.me/results/d432fd0a-b676-4e8b-8cf0-a1e9a544f31e/
SH256 hash:
fc9840a0765554e131c7d9d9453b0a0c27c697ab57efded172cf64eb21106074
MD5 hash:
96bbc2c18fe4b6af8b306da0ad52069d
SHA1 hash:
c5463fddde37a3fbe57fbfd3f630c573756ac604
Link:
https://www.unpac.me/results/d432fd0a-b676-4e8b-8cf0-a1e9a544f31e/
SH256 hash:
de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91
MD5 hash:
5a9964c917bdceb12686e1072cd7b8bf
SHA1 hash:
3196a7cf89bf13cabf2dcfb8495674d73c3ad1ff
Link:
https://www.unpac.me/results/d432fd0a-b676-4e8b-8cf0-a1e9a544f31e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip baa24d276686a4ad1e529254922692679899535943ac0993f5aaa6fff8e999eb

Formbook

Executable exe de5a91649e654f5273032c0e524491e7ac1c6260e1140472c72b031dfe4fba91

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 baa24d276686a4ad1e529254922692679899535943ac0993f5aaa6fff8e999eb
Cape
Cape
https://www.capesandbox.com/analysis/167284/

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